Home / 109,156,781.40-163,735,172.10-32,469,845.10

Finding the Fourth Proportional to 109,156,781.40, 163,735,172.10 and 32,469,845.10

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Solution

The fourth proportional to 109,156,781.40, 163,735,172.10 and 32,469,845.10 is: 48,704,767.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,156,781.40 : 163,735,172.10 = 32,469,845.10 : x
  2. Step 2: Convert to fraction form
    109,156,781.40/163,735,172.10 = 32,469,845.10/x
  3. Step 3: Cross multiply
    109,156,781.40x = 163,735,172.10 × 32,469,845.10
  4. Step 4: Simplify right side
    109,156,781.40x = 5,316,455,675,508,842
  5. Step 5: Solve for x
    x = 5,316,455,675,508,842/109,156,781.40
  6. Step 6: Final answer
    x = 48,704,767.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.